Partial list of known and suspected FBI/CIA informants/assets who have spied on or informed on the Trump campaign:

1. Steele/Dearlove

2. Halper/Azra Turk

3. Mifsud

4. Downer

5. Simpson/Nellie Ohr

6. Daniel Jones

http://www.thegatewaypundit.com/2018/05/the-list-at-least-6-and-potentially-7-known-and-suspected-intelligence-informants-now-known-to-have-spied-on-trump-campaign/